Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
kentcocorp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-19 09:13:29 UTC · ↺ Refresh
MX Hostnames
- kentcocorp-com.mail.protection.outlook.com
MX Priorities
- kentcocorp-com.mail.protection.outlook.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.comcastbusiness.net domreg-tech.comcastbusiness.net 2017112801 3600 7200 604800 7200
Primary NS (mname)
ns1.comcastbusiness.net
Admin Email (rname)
domreg-tech@comcastbusiness.net
Serial
2017112801
Refresh
3600s
Retry
7200s
Expire
604800s
Minimum TTL
7200s
Nameservers (NS)
ns4.comcastbusiness.net
ns5.comcastbusiness.net
ns1.comcastbusiness.net
ns2.comcastbusiness.net
ns3.comcastbusiness.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms68582921
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